Radiometric dating methods of rocks

There are three main assumptions that must be made to accept radiometric dating methods.

These must be accepted on faith in uniformitarian and naturalistic frameworks.

There are over forty such techniques, each using a different radioactive element or a different way of measuring them.

Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.

The majority of the time fossils are dated using relative dating techniques.

The methods work because radioactive elements are unstable, and they are always trying to move to a more stable state. This process by which an unstable atomic nucleus loses energy by releasing radiation is called radioactive decay.

The thing that makes this decay process so valuable for determining the age of an object is that each radioactive isotope decays at its own fixed rate, which is expressed in terms of its half-life.

Scientists can use certain types of fossils referred to as index fossils to assist in relative dating via correlation.

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